Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on weight basis is 0.21 0.23 0.3 0.4 0.21 0.23 0.3 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat equivalent to brake power to the energy supplied in steam is known as Overall efficiency Mechanical efficiency Indicated thermal efficiency Brake thermal efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Brake thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Increases Remain same Behaves unpredictably Decreases Increases Remain same Behaves unpredictably Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Efficiency of the chimney Efficiency of the boiler Power of the boiler Efficiency of the fan Efficiency of the chimney Efficiency of the boiler Power of the boiler Efficiency of the fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure To prepare heat balance sheet for the boiler All of these To determine the generating capacity of the boiler To determine the thermal efficiency of the boiler when working at a definite pressure To prepare heat balance sheet for the boiler All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In recuperative air preheaters, the heat is transferred From heating an intermediate material and then heating the air from this material By direct mixing From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace From heating an intermediate material and then heating the air from this material By direct mixing From a metal wall from one medium to another Heat is transferred by bleeding some gases from furnace ANSWER DOWNLOAD EXAMIANS APP
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